Discover the 50-200A Electric Spot Welder Machines for Metal Sheet, perfect for high-frequency spot welding of thin metal plates. With a welding pressure of 0-1.2MPa, these robust machines handle 2-3mm thick sheets over a 50-200mm2 area. Ideal for industries like automotive and electronics, these inverter spot welders ensure strong, durable welds with advanced PLC control and water cooling.